{
	"$schema":"http://json-schema.org/draft-03/schema#",
	"id": "http://schemas.opengis.net/gsr/1.0/envelope.json",
	
	"title":"envelope",
	"type":"object",
	
	"properties":{
		"xmin":{
			"title":"xmin",
			"type":"number",
			"required":true},
		"ymin":{
			"title":"ymin",
			"type":"number",
			"required":true},
		"xmax":{
			"title":"xmax",
			"type":"number",
			"required":true},
		"ymax":{
			"title":"ymax",
			"type":"number",
			"required":true},
		"spatialReference":{
			"$ref" : "http://schemas.opengis.net/gsr/1.0/spatialreference.json"}
	}
}